Having the right tool at the right time can make a home improvement or gardening project a breeze. And by using the right app, your smartphone can actually be that tool you need. Planimeter is the perfect app to measure land area and distance on a map. The app uses satellite imaging to allow users to simply drop a pin at the start point of whatever is being measured and then another pin at the ending location. It allows for measuring for lawns, fences, paving, roofing, and more. The app is $7.99 for iOS. iHandy Level Free turns a smartphone into a level for doing everything from hanging pictures to…